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    • 2. 发明申请
    • Distribution automation system for reactive power compensation and its voltage control method
    • 无功补偿配电自动化系统及其电压控制方法
    • US20110035077A1
    • 2011-02-10
    • US12656290
    • 2010-01-25
    • Sung-Woo LeeBok-Nam HaChang-Hoon ShinMin-Ho ParkSo-Young Park
    • Sung-Woo LeeBok-Nam HaChang-Hoon ShinMin-Ho ParkSo-Young Park
    • G06F19/00G05F1/70
    • H02J3/1828H02J3/1878Y02E40/30
    • Provided are a novel distribution automation system and its voltage control method, which can supply a stable voltage to a user by properly adjusting the settings of a control device so as to compensate for reactive power at each load terminal. The voltage control method includes: a first step of modeling a distribution system in the form of a distribution load based on constants of four terminals according to the connection type of each node and a distribution line, which constitute the distribution system; a second step of determining a formula for estimating the magnitude of a voltage at a node from a current value of an adjacent node; a third step of determining an objective function including the magnitude of the voltage, calculated through the formula determined in the second step, and a control variable for controlling the magnitude of the voltage; and a fourth step of calculating a value of the control variable to allow the determined objective function to have a minimum value and applying the calculated value to each voltage control device provided in the distribution system.
    • 提供了一种新颖的配电自动化系统及其电压控制方法,其可以通过适当地调整控制装置的设置来向用户提供稳定的电压,以补偿每个负载端子处的无功功率。 电压控制方法包括:第一步骤,根据构成分配系统的每个节点的连接类型和分配线,基于四个终端的常数以分布负载的形式建模分配系统; 确定用于从相邻节点的当前值估计节点处的电压的大小的公式的第二步骤; 确定包括通过在第二步骤中确定的公式计算出的电压大小的目标函数的第三步骤和用于控制电压大小的控制变量; 以及第四步骤,计算控制变量的值以允许所确定的目标函数具有最小值,并将所计算的值应用于分配系统中所提供的每个电压控制装置。
    • 6. 发明申请
    • MOBILE COMMUNICATION DEVICE AND METHOD OF CONTROLLING THE SAME
    • 移动通信装置及其控制方法
    • US20080318618A1
    • 2008-12-25
    • US12142560
    • 2008-06-19
    • So Young PARK
    • So Young PARK
    • H04M1/00G06F3/02
    • H04M1/7258H04M1/0235H04M1/233H04M1/72558H04M2250/12
    • The present invention relates to mobile communication devices and a method of controlling the same. The mobile communication device includes a plurality of keys for entering different commands in first and second operating modes, memory for storing key mapping information in which commands corresponding to respective inputs of the plurality of keys are mapped every operating modes, and a mode switch detection unit for determining whether to switch an operating mode from the first operating mode to the second operating mode. When the operating mode is switched, a controller controls some of the plurality of keys to switch to key mapping information used in the second operating mode and the remaining keys to maintain key mapping information used in the first operating mode, based on the key mapping information.
    • 移动通信装置及其控制方法技术领域本发明涉及移动通信装置及其控制方法。 移动通信设备包括用于在第一和第二操作模式中输入不同命令的多个键,存储器,用于存储与每个操作模式对应于多个键的相应输入的命令的键映射信息;以及模式切换检测单元 用于确定是否将操作模式从第一操作模式切换到第二操作模式。 当切换操作模式时,控制器控制多个密钥中的一些切换到在第二操作模式中使用的密钥映射信息和剩余的密钥,以维护在第一操作模式中使用的密钥映射信息,基于密钥映射信息 。
    • 8. 发明申请
    • ORGANIC LIGHT EMITTING DIODE DISPLAY AND DRIVING METHOD THEREOF
    • 有机发光二极管显示及其驱动方法
    • US20140062988A1
    • 2014-03-06
    • US13917749
    • 2013-06-14
    • Dong Hwan LEESeung Kyun HONGSo Young PARK
    • Dong Hwan LEESeung Kyun HONGSo Young PARK
    • G09G3/32
    • G09G3/3208G09G3/3233G09G2300/0819G09G2300/0852G09G2300/0861
    • An organic light emitting diode display includes at least one pixel circuit, a scanning drive unit connected to the pixel circuit through a scan line and generating a selection signal to be applied to the pixel circuit, and a data drive unit connected to the pixel circuit through a data line and applying a data voltage to the pixel circuit. The data drive unit includes a first line to which the data voltage is applied and a demultiplexer connected between the first line and a first end of the data line, the demultiplexer time-divisionally applying the data voltage applied to the first line to the data line according to a demultiplexing signal. In one horizontal cycle, at least a portion of a period in which the demultiplexing signal is applied and at least a portion of a period in which the selection signal is applied overlap each other.
    • 有机发光二极管显示器包括至少一个像素电路,扫描驱动单元,其通过扫描线连接到像素电路,并产生要施加到像素电路的选择信号;以及数据驱动单元,连接到像素电路,通过 数据线并将数据电压施加到像素电路。 数据驱动单元包括施加数据电压的第一行和连接在数据线的第一行和第一端之间的解复用器,多路分解器将施加到第一行的数据电压分时地施加到数据线 根据解复用信号。 在一个水平周期中,施加解复用信号的周期的至少一部分和施加选择信号的周期的至少一部分彼此重叠。